Adapters to open up more options to you, as well as holders and any other filtration-related accessories you might need.
4 x 5.65 Bright Tangerine horizontal filter tray
4 x 4 Bright Tangerine horizontal filter tray
For the Sigma 14mm F1.8 DG HSM - any mount.
For Sigma 12-24mm F4 DG HSM ART - any mount.
For the Samyang 14mm f/2.8 ED AS IF UMC.
For the Nikon 14-24mm f/2.8G ED AF-S NIKKOR.
For the Canon EF 14mm f2.8L II USM.